add nextflow d30e48d

nextflow/docs/snippets/recurse-workflow.nf

@@ -0,0 +1,46 @@
+nextflow.preview.recursion = true
+
+params.input = "recurse-workflow.in"
+
+workflow {
+    clock
+        .recurse(file(params.input))
+        .until { file -> file.size() > 64 }
+        .view { file -> file.text }
+}
+
+workflow clock {
+    take:
+    logfile
+
+    emit:
+    tock(tick(logfile))
+}
+
+process tick {
+    input:
+    path 'input.txt'
+
+    output:
+    path 'result.txt'
+
+    script:
+    """
+    cat input.txt > result.txt
+    echo "Task ${task.index} : tick" >> result.txt
+    """
+}
+
+process tock {
+    input:
+    path 'input.txt'
+
+    output:
+    path 'result.txt'
+
+    script:
+    """
+    cat input.txt > result.txt
+    echo "Task ${task.index} : tock" >> result.txt
+    """
+}